*{
    padding: 0;
    margin: 0;
}
.nav{
    width: 100%;
    height: 72px;
    max-width: 1692px;
    background-color: #2C323E;
    box-shadow: 0 2px 6px 0;
    margin: 0 auto;
}
.t_left{
    float: left;
    margin-left: 265px;
    margin-top: 16px;
}

#t_r{
    float: right;
    margin: 20px 5% 20px 0;
}
.user_down *{
    display: inline-block;
    vertical-align: middle;
}
.user_down input{
    width: 78px;
    height: 28px;
    border: white 1px solid;
    border-radius: 74px;
    margin-right: 28px;
    color: white;
    background-color: #2C323E;
}
.user_1 a img{
    width: 34px;
    height: 34px;
    border-radius: 50%;
    line-height: 34px;
    cursor: pointer;
}

/*内容*/
#content{
    /*background-color: #00FF00;*/
    width: 100%;
    height: 800px;
    position: absolute;

    left: 265px;
    max-width: 300px;
}
.c_left{
    width: 30%;
    height: 800px;
    position: absolute;
    top: 10px;
    background-color: white;

}
.am{
    width: 300px;
    height: 216px;
    background:  #2C323E;
    position: relative;


}
.us img{
    width: 72px;
    height: 72px;
    border: 1px solid #FFFFFF;
    border-radius: 50%;
    position: absolute;
    margin-top: 20px;
    margin-left: calc((300px - 72px) / 2);
}
.us a{
    width: 84px;
    height: 20px;
    ont-family: PingFangSC-Semibold;
    font-size: 20px;
    color: #FFFFFF;
    text-align: center;
    letter-spacing: 0.85px;
    line-height: 20px;
    position: absolute;
    margin-left: calc((300px - 84px) / 2);
    margin-top: 100px;
}
.us .a{
    width: 15.4px;
    height: 20.5px;
    top: -20px;
    right: -30px;
    border: none;

}
.sheng img{
    width: 16px;
    height: 12px;
    background: #FFFFFF;
    position: absolute;
    left: 20px;
    top: 150px;
    border-radius: 10px;
}
.sheng span{
    width: 67px;
    height: 20px;
    font-family: PingFangSC-Regular;
    font-size: 16px;
    color: #FFFFFF;
    letter-spacing: 0.68px;
    line-height: 20px;
    position: absolute;
    left: 40px;
    top: 145px;
}
.sheng .b{
    width: 52px;
    height: 20px;
    font-family: PingFangSC-Semibold;
    font-size: 20px;
    color: #FFFFFF;
    letter-spacing: 0.85px;
    line-height: 20px;
    top: 168px;
    left: 40px;

}
.yu span:nth-of-type(1){
    width: 1px;
    height: 42px;
    background-color: #FFFFFF;
    position: absolute;
    top: 148px;
    left: 150px;
}
.yu span:nth-of-type(2){
    width: 101px;
    height: 20px;
    font-family: PingFangSC-Regular;
    font-size: 16px;
    color: #FFFFFF;
    letter-spacing: 0.68px;
    line-height: 20px;
    position: absolute;
    bottom: 50px;
    right: 30px;
}
.yu a{
    width: 13px;
    height: 20px;
    font-family: PingFangSC-Semibold;
    font-size: 20px;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: 0.85px;
    line-height: 20px;
    position: absolute;
    bottom: 28px;
    right: 77px;

}
.huiyuan{
    width: 302px;
    height: 882px;
    background: #FFFFFF;
    border: 1px solid #EFEFEF;
}
#top>div>*{
    display: inline-block;
    vertical-align: middle;
}
#t_r{
    color: white;
}
#t_r>span{
    cursor: pointer;
}

